Zhu Weigang

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In view of the existing problems of dynamic segmentation technology’s application in urban GIS-T(Geographic Information System for Transportation), the article puts forward the linear reference system of arc-node of urban roads on the basis of analyzing the characteristics of urban transportation information, and builds up dynamic segmentation data(More)
This paper applies uniform geometrical theory of diffraction(UTD) to calculate passive radar signal diffraction loss, and derived expression uniform geometrical diffraction field distribution under UTD theory Compared with conventional wedge diffraction model and combined with the feature of the electromagnetic propagation based on passive radar, the(More)
The existing linearnstryction frequency modulation (LFM) interference suppression algorithms for direct sequence spread spectrum (DSSS) communications are confined to the high sampling rate. In order to solve the problem, compressive sensing (CS) was applied to suppress the LFM interference in DSSS communications. The DSSS signal sparse dictionary and LFM(More)
Space multi-element remote sensing information co-detection has been given more and more attention to these days. It urgently needs an effective objective evaluation approach to measure the effect of the co-detection. A new approach based on the geometric shape is proposed for the space multi-sensors co-detection assessment. This method extracts the extend(More)
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